Ferroelastic phase transition of Pb-3(PO4)(2) single crystal studied by electron paramagnetic resonance

被引:0
|
作者
Choi, YN [1 ]
Choh, SH [1 ]
Jang, MS [1 ]
机构
[1] PUSAN NATL UNIV,DEPT PHYS,PUSAN 609735,SOUTH KOREA
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中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Lead phosphate is a typical ferroelastic material. We adopted the EPR of Cr3+ as a probe to investigate the phase transition and obtained the phase transition temperature as 456.0 +/- 0.5 K. The variation of resonance fields and intensities of Cr3+ signals versus temperature were investigated. Two sets of EPR signals in the bc-plane were measured with X-band, originated from the domains separated by the W-m-walls (mirror planes) at the low temperature phase. Just above T-c, the coexistence of the ferro- and paraelastic phase was observed and discussed.
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页码:S486 / S489
页数:4
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